240423854360489 has 8 divisors (see below), whose sum is σ = 246130374714312. Its totient is φ = 234782551382400.

The previous prime is 240423854360461. The next prime is 240423854360593. The reversal of 240423854360489 is 984063458324042.

It can be written as a sum of positive squares in 4 ways, for example, as 191803802955625 + 48620051404864 = 13849325^2 + 6972808^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240423854360489 - 2⁴⁴ = 222831668316073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240423854330489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16304336474 + ... + 16304351219.

It is an arithmetic number, because the mean of its divisors is an integer number (30766296839289).

Almost surely, 2^{240423854360489} is an apocalyptic number.

It is an amenable number.

240423854360489 is a deficient number, since it is larger than the sum of its proper divisors (5706520353823).

240423854360489 is a wasteful number, since it uses less digits than its factorization.

240423854360489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32608687867.

The product of its (nonzero) digits is 159252480, while the sum is 62.

The spelling of 240423854360489 in words is "two hundred forty trillion, four hundred twenty-three billion, eight hundred fifty-four million, three hundred sixty thousand, four hundred eighty-nine".